“Of course there are teams in England that have no financial restrictions when it comes to buying players, but he showed at Dortmund that he has the intelligence to combat that. Perhaps not immediately, but in time I am sure that he can.

“He is a winner, I know him. His long term goal won’t just be to qualify for the Champions League, and settle for that.

“It will be to challenge Manchester United, Manchester City, Chelsea, and Arsenal for the title, and he is absolutely capable of doing that.”